package com.itheima.controller;

import com.itheima.constant.MessageConstant;
import com.itheima.entity.Result;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.core.userdetails.User;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

/**
 * @author Mr.Shen
 * @date 2020-03-03 22:02
 */
@RestController
@RequestMapping("/user")
public class UserController {

@RequestMapping("/getUsername")
    public Result getUsername(){
    User user = (User) SecurityContextHolder.getContext().getAuthentication( ).getPrincipal();
    if (user!=null){
        String username = user.getUsername();
        return new Result(true, MessageConstant.GET_USERNAME_SUCCESS,username);
    }

    return new Result(false, MessageConstant.GET_USERNAME_FAIL);
    }
}
